CallEven vs Sync
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CallEven
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CallEven No more unknown numbers! Earn by talking! With CallEven, you can call and consult with people you normally wouldn't be able to reach. You can talk to successful or expert individuals in their fields via CallEven. If you want to receive calls or messages, you can adjust your settings from your profile page. If you don't answer unknown numbers or don't return calls, you can still be reachable without giving out your number. With CallEven, you can talk to anyone. You can go to the profile of the person you want to talk to and either call them or send a message. If you want to receive calls or messages, adjust your rates from your profile and start earning by receiving calls and messages! VOICE CALLS: Voice calls are paid by the caller, and the first minute is charged as an opening fee. In subsequent minutes, if the person you’re calling ends the call, you are charged for the actual duration, but if the caller ends the call, you are charged for the full minute. For example, for a 5 minute 37 second call, if the person you are calling ends the call, you will be charged for 5 minutes; if the caller ends the call, you will be charged for 6 minutes. The maximum duration for a call is 15 minutes. MESSAGING: When sending a message, you can send a message containing between 10 (ten) and 250 (two hundred and fifty) characters. You cannot send another message to the person until you receive a reply to the message you have sent. If no response is received to the sent message within 48 hours, the fee will be refunded to your digital content balance. VERIFICATION: If you verify your identity, you will receive a Verification Badge. This will help you stand out. CEM: Cem is CallEven's digital content. Cem can be used to make calls and send messages on the CallEven app. They can be purchased from our website. For more information, please read our User Agreement and other terms. We are always happy to hear from you. If you have any questions, suggestions, or concerns, please feel free to contact us via email: support@calleven.com Follow us on social media: https://www.instagram.com/callevenapp https://twitter.com/Callevenapp
Sync
This app turns meaningful clock moments into a simple way to connect with loved ones. Catch a magic minute and send it to someone special, fostering connection without social media pressure. It's a quick ritual to show you're thinking of them.
- Catch meaningful clock moments
- Send instant connection pings
- Receive and respond to pings
- Track shared moments
- Invite friends via text
- No contact upload required
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A tiny ritual to stay connected with loved ones through patterns in time. Some minutes are too perfect to keep to yourself. 11:11. 12:34. 12:21. 22:22. A few times each day the clock lands on something beautiful — and for one minute, it belongs to you and the people you care about. Sync turns that tiny moment into a reason to reach out. Catch a magic minute, send it to someone you love, and you've said "thinking of you" in two taps — no feeds, no scrolling, no pressure. HOW IT WORKS - Catch the moment — when the clock hits a meaningful minute (a repeat like 11:11, a run like 12:34, a palindrome like 12:21, a mirror like 13:13), the SEND button lights up. - Send it to the people you love — pick your friends. They get a gentle ping and 30 minutes to catch it back. - Stay close — when someone catches it back you both score a little, but the real win is staying in touch with people you actually know. - Look back — your Discoveries log keeps every rare minute you've shared and who shared it back. WHY PEOPLE LOVE IT - A 60-second ritual, not another feed to scroll. - Stay close to the people you already text. Add friends from your contacts, or anyone by name and number with a full country-code picker — no contacts permission required. - Invite the rest. Not on Sync yet? Send a one-tap text invite. - A real reason to glance at the clock. Suddenly 11:11 means someone. Your contacts stay on your device — Sync never uploads anyone you don't add as a friend. Sync is free and made for the people you love. Catch the next magic minute and stay connected.
Screenshots
Verdict
The clearest difference is in-app purchases: Sync at none against CallEven's 6. Sync also leads on ads (none vs shown) and update cadence (every 8 days vs monthly). On price, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. CallEven sells 6 one-off in-app purchases. Sync asks for nothing beyond the download.
CallEven ships an update monthly, Sync every 8 days. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.
| Parameter | CallEven | Sync |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (5 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 5 — better |
| Update frequency | Monthly | Every 8 days — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.6 | 15.1 — better |
| Further details — not scored | ||
| Size | 95 MB | 48 MB |
| Age rating | 4+ | 4+ |
| Developer | Calleven Yazilim Anonim Sirketi | SilverGrid Technology LLC |
In-app purchases
CallEven
- 9 cem$1.99
- 40 cem$7.99
- 110 cem$21.99
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- 240 cem$44.99
- 600 cem$109.99
- 1500 cem$249.99
Sync
No in-app purchases









